Finding the Fourth Proportional to 82,401.68, 123,307.27 and 71,346.53

Step by Step Solution

1. Step 1: Write the proportion equation
   82,401.68 : 123,307.27 = 71,346.53 : x
2. Step 2: Convert to fraction form
   82,401.68/123,307.27 = 71,346.53/x
3. Step 3: Cross multiply
   82,401.68x = 123,307.27 × 71,346.53
4. Step 4: Simplify right side
   82,401.68x = 8,797,545,838.27
5. Step 5: Solve for x
   x = 8,797,545,838.27/82,401.68
6. Step 6: Final answer
   x = 106,764.16